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Improving LED Lighting
June 20, 2011 — A new light-emitting diode (LED) light uses an array of LEDs 100 times smaller than conventional LEDs. The new device has flexibility, maintains lower temperature and has an increased life-span over ... > full story -
Graphene May Gain an on-Off Switch, Adding Semiconductor to Long List of Material's Achievements
June 17, 2011 — A team of researchers has proposed a way to turn the material graphene into a semiconductor, enabling it to control the flow of electrons with a laser "on-off ... > full story -
Research Improves Bolted Joints in Airplanes
June 13, 2011 — New research analyzing the bolted joints used in the aeronautical industry has determined the optimum force that should be applied so that they may better withstand the variations in temperature that ... > full story -
Energy and the Environment
Thermodynamics
Environmental Science
Energy Technology
Renewable Energy
Sustainability
Using Waste Heat from Automobile Exhaust
June 10, 2011 — With the completion of a successful prototype, engineers have made a major step toward addressing one of the leading problems in energy use around the world today -- the waste of half or more of the ... > full story -
New Way to Make Lighter, Stronger Steel -- In a Flash
June 9, 2011 — A Detroit entrepreneur surprised university engineers recently when he invented a heat-treatment that makes steel 7 percent stronger than any steel on record -- in less than 10 seconds. In fact, the ... > full story -
Why Animals Don't Have Infrared Vision: Source of the Visual System's 'False Alarms' Discovered
June 9, 2011 — On rare occasion, the light-sensing photoreceptor cells in the eye misfire and signal to the brain as if they have captured photons, when in reality they haven't. For years this phenomenon remained a ... > full story -
New Driving Force for Chemical Reactions
June 9, 2011 — Chemists have shown for the first time that a mechanism called tunneling control may drive chemical reactions in directions unexpected from traditional ... > full story -
Can Evolution Outpace Climate Change? Tiny Seashore Animal Suggests Not
June 8, 2011 — Animals and plants may not be able to evolve their way out of the threat posed by climate change, according to a new study of a tiny seashore ... > full story -
Aircraft Systems in the Environmental Chamber
June 8, 2011 — How can air transport be made more environmentally compatible, economical and sustainable? A flight test facility in Germany is soon to be expanded with the installation of a thermal test bench for ... > full story -
New Method to Make Sodium Ion-Based Battery Cells Could Lead to Better, Cheaper Batteries for the Electrical Grid
June 7, 2011 — By adding the right amount of heat, researchers have developed a method that improves the electrical capacity and recharging lifetime of sodium ion rechargeable batteries, which could be a cheaper ... > full story
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